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<div class="title">qwt_plot_canvas.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_PLOT_CANVAS_H</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_PLOT_CANVAS_H</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qframe.h&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qpainterpath.h&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">class </span><a class="code" href="class_qwt_plot.html">QwtPlot</a>;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">class </span>QPixmap;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html">   27</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a> : <span class="keyword">public</span> QFrame</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;{</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    Q_OBJECT</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    Q_PROPERTY( <span class="keywordtype">double</span> borderRadius READ borderRadius WRITE setBorderRadius )</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">   42</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">PaintAttribute</a></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0fa7b88a46e1414f6d904aa494c89d064f3">   55</a></span>&#160;        BackingStore = 1,</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0fa1d10fbb2b1fc3323e8597597684b1f9f">   72</a></span>&#160;        Opaque       = 2,</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0fa2a2fee2c1807f8306850e15977bacb70">   89</a></span>&#160;        HackStyledBackground = 4,</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0fa91fb95b7ec380cc5d517195c2ae6368f">   97</a></span>&#160;        ImmediatePaint = 8</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    };</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#ac007a0126efb62443e52905d3157102d">  101</a></span>&#160;    <span class="keyword">typedef</span> QFlags&lt;PaintAttribute&gt; <a class="code" href="class_qwt_plot_canvas.html#ac007a0126efb62443e52905d3157102d">PaintAttributes</a>;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">  109</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    {</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea8578c1bdcba0a05d5d0b89aeb35a040d">  112</a></span>&#160;        <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea8578c1bdcba0a05d5d0b89aeb35a040d">NoFocusIndicator</a>,</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea884899cc2fa5cb416e73fe3e7aba2271">  118</a></span>&#160;        <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea884899cc2fa5cb416e73fe3e7aba2271">CanvasFocusIndicator</a>,</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea5a56f0e29a38350abdcef18c3e583115">  125</a></span>&#160;        ItemFocusIndicator</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    };</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a>( <a class="code" href="class_qwt_plot.html">QwtPlot</a> * = NULL );</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a>();</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <a class="code" href="class_qwt_plot.html">QwtPlot</a> *plot();</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_plot.html">QwtPlot</a> *plot() <span class="keyword">const</span>;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordtype">void</span> setFocusIndicator( <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a> );</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a> focusIndicator() <span class="keyword">const</span>;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordtype">void</span> setBorderRadius( <span class="keywordtype">double</span> );</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordtype">double</span> borderRadius() <span class="keyword">const</span>;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keywordtype">void</span> setPaintAttribute( <a class="code" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">PaintAttribute</a>, <span class="keywordtype">bool</span> on = <span class="keyword">true</span> );</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordtype">bool</span> testPaintAttribute( <a class="code" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">PaintAttribute</a> ) <span class="keyword">const</span>;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keyword">const</span> QPixmap *backingStore() <span class="keyword">const</span>;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="keywordtype">void</span> invalidateBackingStore();</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> event( QEvent * );</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    Q_INVOKABLE QPainterPath borderPath( <span class="keyword">const</span> QRect &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keyword">public</span> Q_SLOTS:</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keywordtype">void</span> replot();</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent( QPaintEvent * );</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> resizeEvent( QResizeEvent * );</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFocusIndicator( QPainter * );</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawBorder( QPainter * );</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordtype">void</span> updateStyleSheetInfo();</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordtype">void</span> drawCanvas( QPainter *, <span class="keywordtype">bool</span> withBackground );</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    PrivateData *d_data;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;};</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_plot_canvas.html#ac007a0126efb62443e52905d3157102d">QwtPlotCanvas::PaintAttributes</a> )</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_plot_canvas_html_a89b44e4c28038a674ce211fe9ac2d7be"><div class="ttname"><a href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">QwtPlotCanvas::FocusIndicator</a></div><div class="ttdeci">FocusIndicator</div><div class="ttdoc">Focus indicator The default setting is NoFocusIndicator. </div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:109</div></div>
<div class="ttc" id="class_qwt_plot_canvas_html_a76066290edb594a71ee09be564563b0f"><div class="ttname"><a href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">QwtPlotCanvas::PaintAttribute</a></div><div class="ttdeci">PaintAttribute</div><div class="ttdoc">Paint attributes. </div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:42</div></div>
<div class="ttc" id="class_qwt_plot_canvas_html_a89b44e4c28038a674ce211fe9ac2d7bea884899cc2fa5cb416e73fe3e7aba2271"><div class="ttname"><a href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea884899cc2fa5cb416e73fe3e7aba2271">QwtPlotCanvas::CanvasFocusIndicator</a></div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:118</div></div>
<div class="ttc" id="class_qwt_plot_html"><div class="ttname"><a href="class_qwt_plot.html">QwtPlot</a></div><div class="ttdoc">A 2-D plotting widget. </div><div class="ttdef"><b>Definition:</b> qwt_plot.h:74</div></div>
<div class="ttc" id="class_qwt_plot_canvas_html_ac007a0126efb62443e52905d3157102d"><div class="ttname"><a href="class_qwt_plot_canvas.html#ac007a0126efb62443e52905d3157102d">QwtPlotCanvas::PaintAttributes</a></div><div class="ttdeci">QFlags&lt; PaintAttribute &gt; PaintAttributes</div><div class="ttdoc">Paint attributes. </div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:101</div></div>
<div class="ttc" id="class_qwt_plot_canvas_html"><div class="ttname"><a href="class_qwt_plot_canvas.html">QwtPlotCanvas</a></div><div class="ttdoc">Canvas of a QwtPlot. </div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:27</div></div>
<div class="ttc" id="class_qwt_plot_canvas_html_a89b44e4c28038a674ce211fe9ac2d7bea8578c1bdcba0a05d5d0b89aeb35a040d"><div class="ttname"><a href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7bea8578c1bdcba0a05d5d0b89aeb35a040d">QwtPlotCanvas::NoFocusIndicator</a></div><div class="ttdoc">Don&amp;#39;t paint a focus indicator. </div><div class="ttdef"><b>Definition:</b> qwt_plot_canvas.h:112</div></div>
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